Page 1121 of 1807
7. 5A
DOME
2
IF2 3IF39
IE1 8 IE1 4 IF3 4 IC2 15 IB64
BI IG EA BJ 2 3
2 3
2 1
2 11DSWL LUG DSWH DSWP DSWD+B1 AC C IGFROM POWER SOURCE SYSTEM (
SEE PAGE 56)
R RB- R
L- R
LGLGR R- LR- B
GR R- B
LGL GR R- L R- B W- B
W- B
W- B
W- B
1
2
THEFT DETE RRENT AND DOO R LOCK CONTROL ECU
L 5 L 3
LUGGAGE
COMPARTM
LIGHT SW LUGGAGE
COMPARTMENT
KEY UNLOCK SW A 7A8B1A9IF1 13
A 6
IF3 12
IE B 4 B 9 B 14 B 19 B 7PR LY +B2
Y Y W- B
L
LL- W L- W
B T 7 , T1 3A
E 6 D11 D10
ENGINE HOOD
COURTESY SW DOOR COURTE SY
SW RH DOOR COURTESY
SW LH
1E 111B 5
10A
ECU- IG15A
CIG
1E 17 1E230A
D OOR
1H 152 1
ENT1I 7
1J 11D91J2
POWER MAIN
RELAY23 15
132
THEFT DETERRENT AND DOOR LOCK CONTROL
Page 1122 of 1807

133
CURRENT ALWAYS FLOWS TO TERMINAL (A) 9 OF THE THEFT DETERRENT AND DOOR LOCK CONTROL ECU THROUGH THE
DOOR FUSE, AND TO TERMINAL (B) 1 THROUGH THE DOME FUSE.
WHEN THE IGNITION SW TURNED ON, THE CURRENT FLOWING THROUGH THE ECU-IG FUSE º TERMINAL (A) 7 OF THE ECU º
TERMINAL (A) 6 FLOWS THROUGH THE COIL SIDE OF THE POWER MAIN RELAY TO GROUND, CAUSING THE RELAY TO OPERATE.
THE CURRENT FLOWING THROUGH THE DOOR FUSE FLOWS TO THE DOOR LOCK CONTROL SWITCHES, CAUSING THE
INDICATOR LIGHT TO LIGHT UP.
1. MANUAL LOCK OPERATION
WHEN THE DOOR LOCK CONTROL SW OR KEY SW ARE PUSHED TO LOCK POSITION, A LOCK SIGNAL IS INPUT TO TERMINAL (B)
5, (B) 22 (FOR KEY SW) OF THE THEFT DETERRENT AND DOOR LOCK CONTROL ECU AND CAUSES THE ECU TO FUNCTION.
CURRENT FLOWS FROM TERMINAL (A) 9 OF THE ECU º TERMINAL (A) 3 º TERMINAL 2 (LH), TERMINAL 4 (RH) OF THE DOOR LOCK
MOTORS º TERMINAL 4 (LH), TERMINAL 2 (RH) º TERMINAL (A) 2 OF THE ECU º TERMINAL (A) 4 º GROUND AND THE DOOR LOCK
MOTOR CAUSES THE DOOR TO LOCK.
2. MANUAL LOCK OPERATION
WHEN THE DOOR LOCK CONTROL SW OR KEY SW ARE PUSHED TO UNLOCK POSITION, AN UNLOCK SIGNAL IS INPUT TO
TERMINAL (B) 8, (B) 6 (FOR KEY SW LH) OR (B) 16 (FOR KEY SW RH) OF THE THEFT DETERRENT AND DOOR LOCK CONTROL ECU
AND CAUSES TO FUNCTION.
CURRENT FLOWS FROM TERMINAL (A) 9 OF THE ECU º TERMINAL (A) 2 º TERMINAL 4 (LH), TERMINAL 2 (RH) OF THE DOOR LOCK
MOTORS º TERMINAL 2 (LH), TERMINAL 4 (RH) º TERMINAL (A) 3 OF THE ECU º TERMINAL (A) 4 º GROUND AND THE DOOR LOCK
MOTOR CAUSES THE DOOR TO UNLOCK.
WHEN UNLOCK OPERATION OCCURS USING THE LH DOOR KEY SW, DOING THE UNLOCK OPERATION ONCE UNLOCKS ONLY THE
DRIVER'S DOOR. TO UNLOCK ALL OTHER DOORS TOGETHER, UNLOCK OPERATION MUST BE DONE AGAIN WITHIN 3 SECONDS
OF THE FIRST OPERATION.
3. IGNITION KEY REMINDER OPERATION
OPERATION OF DOOR LOCK BUTTON (OPERATION OF DOOR LOCK MOTORS)
WHEN THE IGNITION KEY IS IN THE CYLINDER (UNLOCK WARNING SW ON) AND THE DOOR IS OPENED AND LOCKED USING
DOOR LOCK BUTTON (DOOR LOCK MOTOR). THE DOOR IS LOCKED ONCE BUT EACH DOOR IS UNLOCKED SOON BY THE
OPERATION OF THE ECU. AS A RESULT OF ECU ACTIVATION, THE CURRENT FLOWS FROM TERMINAL (A) 9 OF THE ECU º
TERMINAL (A) 2 º TERMINAL 4 (LH),TERMINAL 2 (RH)OF THE DOOR LOCK MOTORS º TERMINAL 2 (LH), TERMINAL 4 (RH) º
TERMINAL (A) 3 OF THE ECU º TERMINAL (A) 4 º GROUND AND CAUSES ALL THE DOOR LOCK CONTROL SW AND DOOR
LOCK KEY SW.
KEY LESS LOCK OPERATION
WHEN THE IGNITION KEY IS STILL INSERTED IN THE CYLINDER (UNLOCK WARNING SW ON), THE DOOR IS OPEN AND UNLOCK
OPERATION IS PREVENTED BY KEEPING THE DOOR LOCK BUTTON PRESSED TO THE LOCK SIDE, THE DOOR IS KEPT IN THE
LOCK CONDITION. IF THE DOOR IS THEN CLOSED, A SIGNAL IS INPUT TO THE ECU FROM THE DOOR COURTESY SW. THIS
ACTIVATES THE ECU AND EACH DOOR IS UNLOCKED.
SYSTEM OUTLINE
Page 1123 of 1807

134
THEFT DETERRENT AND DOOR LOCK CONTROL
D10, D11 DOOR COURTESY SW LH, RH
3-2 : CLOSED WITH THE DOOR OPEN
D12, D13 DOOR KEY LOCK AND UNLOCK SW LH, RH
1-3 : CLOSED WITH THE DOOR LOCK CYLINDER UNLOCKED WITH KEY
2-3 : CLOSED WITH THE DOOR LOCK CYLINDER LOCKED WITH KEY
D15, D16 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW LH, RH
1-3 : CLOSED WITH UNLOCK POSITION.
E 6 ENGINE HOOD COURTESY SW
1-2 : CLOSED WITH THE ENGINE HOOD OPEN
U 1 UNLOCK WARNING SW
2-1 : CLOSED WITH THE IGNITION KEY IN CYLINDER
L 3 LUGGAGE COMPARTMENT KEY UNLOCK SW
2-1 : CLOSED WITH THE DOOR LOCK CYLINDER UNLOCKED WITH KEY
L 5 LUGGAGE COMPARTMENT LIGHT SW
1-GROUND : CLOSED WITH THE DOOR OPEN
T 7 (A), T13 (B) THEFT DETERRENT AND DOOR LOCK CONTROL ECU
(B)9-GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR TO UNLOCK POSITION
(B) 14-GROUND : CONTINUITY WITH THE ENGINE HOOD OPEN
(B)4-GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR OPEN
(B)8-GROUND : CONTINUITY WITH THE DOOR LOCK CONTROL SW TO UNLOCK POSITION
(B)5-GROUND : CONTINUITY WITH THE DOOR LOCK CONTROL SW TO LOCK POSITION
(B) 25-GROUND : APPROX. 12 VOLTS WITH THE SHIFT LEVER IN N OR P POSITION AND THE IGNITION SW AT ST POSITION (A/T)
: APPROX. 12 VOLTS WITH THE CLUTCH PEDAL FULLY DEPRESSED (M/T)
(A)7-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
(B) 20-GROUND : CONTINUITY WITH THE IGNITION KEY IN CYLINDER
(B) 15-GROUND : CONTINUITY WITH THE LH DOOR TO UNLOCK POSITION
(B) 21-GROUND : CONTINUITY WITH THE RH DOOR TO UNLOCK POSITION
(B)6-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW LH TO UNLOCK POSITION
(B) 16-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW RH TO UNLOCK POSITION
(B) 22-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW TO LOCK POSITION
(A)4-GROUND : ALWAYS CONTINUITY
(B)1-GROUND : ALWAYS APPROX. 12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C 928D1630P 830
D1030E624 (2JZ-GTE)T125 (2JZ-GTE)
D1130E 626 (2JZ-GE)T 127 (2JZ-GE)
D1230L 330T 529
D1330L 530T 7A29
D1430P225 (2JZ-GTE)T13B29
D1530P 227 (2JZ-GE)U 129
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1D20FRONT DOOR LH WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H
1I20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
2A22BATTERY AND J/B NO.2 (ENGINE COMPARTMENT LEFT)
SERVICE HINTS
Page 1124 of 1807

1223 23123
X234
12
3412211
X
56
12 X
X8
12
10 9 X C 9 D1 0 D11 D12 D1 3 D14
D16 E 6 L 3 L 5 P 2
P 8 BLACKT 1 T 5
10 9 X XT 5
U 1 BLACK GRAY GRAY
ORANGEBLACK (
2JZ- GTE)(
2JZ- GE) GR AY
12
34D15 GRA Y
X2 3
4X6789
19 20 1 X X 4 6 7 8 9 10 11
25 24 23 22 21 X 15 14 X 12 X5
16OR ANGE A T 7 BT13123
2 1
135
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA132 (2JZ-GTE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA134 (2JZ-GE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IB636ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
ID136FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE136INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ138ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)IJ238ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IL138FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EA32 (2JZ-GTE)FRONT SIDE OF RIGHT FENDEREA34 (2JZ-GE)FRONT SIDE OF RIGHT FENDER
IE36LEFT KICK PANEL
IG36RIGHT KICK PANELIH36RIGHT KICK PANEL
BI40LEFT QUARTER PILLAR
BJ40LOWER BACK PANEL CENTER
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 238COWL WIREI2138INSTRUMENT PANEL WIRE
I 438COWL WIREB 140FRONT DOOR LH WIRE
I1938INSTRUMENT PANEL WIREB 240FRONT DOOR RH WIRE
Page 1125 of 1807
IE
POWER WINDOW MASTER SW P 8
8 4
L
L
W- BLL
W- B
FROM POWER SOUCE SYSTEM (
SEE PAGE 56)
B 1A7A6A9
B 19 A4 THEFT DETERRENT AND
DOOR LOCK CONTROL ECUB T 7 , T1 3A
KEY OFF POWER CIRCUIT
B 7
IH IG BI 2 3
2 3IF3 4 IF2 3
IC2 15 7. 5A
DOME
2
IF113
IF312
Y L- W
R R
B- R R- B R- B R- B W- B
W- B R- L R- L
W- BY
L- W DOOR COURTESY SW LH
DOOR COURTESY SW RH D10
D11
2 1
10A
ECU- IG
1E 17
1B 5
1E 11
30A
DOOR
2 1
1H 15
1J 2 1D 9 1D 10 1J 123
1I 7
POWER
MAIN
RELAY 15
136
POWER WINDOW
Page 1126 of 1807
M21
M 21134 IL1 4IL117 IL13 ID1 14 ID115 910 5 7
POWER WINDOW
CONTROL SW RH
POWER WINDOW MOTOR RH P O WE R W I NDO W MO TO R L H
P 7
P 8
R- L
G- W
L R- WG- Y
R- L
G- W
LR- L
G- W
L G- YR
L
P 9 P10IF3 5
LOCK
NORMAL
UP
DOWNUP
DOWN
AUTO
PASSENGER' S DRIVER' S POWER WINDOW MASTER SW
S
RQ -
+
+
-
DOWN
UP
25
UP
DOWN
137
Page 1127 of 1807